﻿using Nop.Core;
using Nop.Core.Domain.Polls;

namespace Nop.Services.Polls;

/// <summary>
/// Poll service interface
/// </summary>
public partial interface IPollService
{
    /// <summary>
    /// Gets a poll
    /// </summary>
    /// <param name="pollId">The poll identifier</param>
    /// <returns>
    /// A task that represents the asynchronous operation
    /// The task result contains the poll
    /// </returns>
    Task<Poll> GetPollByIdAsync(int pollId);

    /// <summary>
    /// Gets polls
    /// </summary>
    /// <param name="storeId">The store identifier; pass 0 to load all records</param>
    /// <param name="languageId">Language identifier; pass 0 to load all records</param>
    /// <param name="showHidden">Whether to show hidden records (not published, not started and expired)</param>
    /// <param name="loadShownOnHomepageOnly">Retrieve only shown on home page polls</param>
    /// <param name="systemKeyword">The poll system keyword; pass null to load all records</param>
    /// <param name="pageIndex">Page index</param>
    /// <param name="pageSize">Page size</param>
    /// <returns>
    /// A task that represents the asynchronous operation
    /// The task result contains the polls
    /// </returns>
    Task<IPagedList<Poll>> GetPollsAsync(int storeId, int languageId = 0, bool showHidden = false,
        bool loadShownOnHomepageOnly = false, string systemKeyword = null,
        int pageIndex = 0, int pageSize = int.MaxValue);

    /// <summary>
    /// Deletes a poll
    /// </summary>
    /// <param name="poll">The poll</param>
    /// <returns>A task that represents the asynchronous operation</returns>
    Task DeletePollAsync(Poll poll);

    /// <summary>
    /// Inserts a poll
    /// </summary>
    /// <param name="poll">Poll</param>
    /// <returns>A task that represents the asynchronous operation</returns>
    Task InsertPollAsync(Poll poll);

    /// <summary>
    /// Updates the poll
    /// </summary>
    /// <param name="poll">Poll</param>
    /// <returns>A task that represents the asynchronous operation</returns>
    Task UpdatePollAsync(Poll poll);

    /// <summary>
    /// Gets a poll answer
    /// </summary>
    /// <param name="pollAnswerId">Poll answer identifier</param>
    /// <returns>
    /// A task that represents the asynchronous operation
    /// The task result contains the poll answer
    /// </returns>
    Task<PollAnswer> GetPollAnswerByIdAsync(int pollAnswerId);

    /// <summary>
    /// Gets a poll answers by parent poll
    /// </summary>
    /// <param name="pollId">The poll identifier</param>
    /// <returns>Poll answer</returns>
    /// <param name="pageIndex">Page index</param>
    /// <param name="pageSize">Page size</param>
    /// <returns>A task that represents the asynchronous operation</returns>
    Task<IPagedList<PollAnswer>> GetPollAnswerByPollAsync(int pollId, int pageIndex = 0, int pageSize = int.MaxValue);

    /// <summary>
    /// Deletes a poll answer
    /// </summary>
    /// <param name="pollAnswer">Poll answer</param>
    /// <returns>A task that represents the asynchronous operation</returns>
    Task DeletePollAnswerAsync(PollAnswer pollAnswer);

    /// <summary>
    /// Inserts a poll answer
    /// </summary>
    /// <param name="pollAnswer">Poll answer</param>
    /// <returns>A task that represents the asynchronous operation</returns>
    Task InsertPollAnswerAsync(PollAnswer pollAnswer);

    /// <summary>
    /// Updates the poll answer
    /// </summary>
    /// <param name="pollAnswer">Poll answer</param>
    /// <returns>A task that represents the asynchronous operation</returns>
    Task UpdatePollAnswerAsync(PollAnswer pollAnswer);

    /// <summary>
    /// Gets a value indicating whether customer already voted for this poll
    /// </summary>
    /// <param name="pollId">Poll identifier</param>
    /// <param name="customerId">Customer identifier</param>
    /// <returns>
    /// A task that represents the asynchronous operation
    /// The task result contains the result
    /// </returns>
    Task<bool> AlreadyVotedAsync(int pollId, int customerId);

    /// <summary>
    /// Inserts a poll voting record
    /// </summary>
    /// <param name="pollVotingRecord">Voting record</param>
    /// <returns>A task that represents the asynchronous operation</returns>
    Task InsertPollVotingRecordAsync(PollVotingRecord pollVotingRecord);

    /// <summary>
    /// Gets a poll voting records by parent answer
    /// </summary>
    /// <param name="pollAnswerId">Poll answer identifier</param>
    /// <returns>Poll answer</returns>
    /// <param name="pageIndex">Page index</param>
    /// <param name="pageSize">Page size</param>
    /// <returns>A task that represents the asynchronous operation</returns>
    Task<IPagedList<PollVotingRecord>> GetPollVotingRecordsByPollAnswerAsync(int pollAnswerId, int pageIndex = 0, int pageSize = int.MaxValue);
}